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<title>mod_authn_alias － Apache 2.2 中文手册 [金步国]</title>
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<div id="translation-info">　　 <a href="../translator_announcement.html#thanks">致谢</a> | 本篇译者：<a href="../../../index.html">金步国</a>(<a href="../../../index.html">作品集</a>) | 本页最后更新：2006年10月20日</div>
<div id="page-content"><div id="preamble"><h1>Apache模块 mod_authn_alias</h1>

<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="module">
<tr><th><a href="module-dict.html#Description">说明</a></th><td>基于实际认证支持者创建扩展的认证支持者，并为它起一个别名以便于引用</td></tr>
<tr><th><a href="module-dict.html#Status">状态</a></th><td>扩展(E)</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">模块名</a></th><td>authn_alias_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">源文件</a></th><td>mod_authn_alias.c</td></tr>
<tr><th><a href="module-dict.html#Compatibility">兼容性</a></th><td>仅在 Apache 2.1 及以后的版本中可用</td></tr>
</table>
<h3>概述</h3>

    <p>这个模块可以在配置文件中基于实际认证支持者创建扩展的认证支持者，并为它起一个别名以便于在<code class="directive"><a href="mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code>或<code class="directive"><a href="mod_auth_digest.html#authdigestprovider">AuthDigestProvider</a></code>指令中像实际认证支持者一样被引用。此外，它还允许同一个认证支持者在不同的区域被多次引用。</p>

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<h2><a name="example" id="example">示例</a></h2>
    <p>下面的例子创建了基于ldap(实际)认证支持者的两个不同的ldap(扩展)认证支持者别名。这样，同一个认证区域就可以被多个ldap主机伺服。</p>

    <div class="example"><h3>示例</h3><p><code>
      LoadModule authn_alias_module modules/mod_authn_alias.so<br /><br />
      &lt;AuthnProviderAlias ldap ldap-alias1&gt;<br />
      <span class="indent">
         AuthLDAPBindDN cn=youruser,o=ctx<br />
         AuthLDAPBindPassword yourpassword<br />
         AuthLDAPURL ldap://ldap.host/o=ctx<br />
      </span>
      &lt;/AuthnProviderAlias&gt;<br /><br />
      &lt;AuthnProviderAlias ldap ldap-other-alias&gt;<br />
      <span class="indent">
         AuthLDAPBindDN cn=yourotheruser,o=dev<br />
         AuthLDAPBindPassword yourotherpassword<br />
         AuthLDAPURL ldap://other.ldap.host/o=dev?cn<br />
      </span>
      &lt;/AuthnProviderAlias&gt;<br /><br />

      Alias /secure /webpages/secure<br />
      &lt;Directory /webpages/secure&gt;<br />
      <span class="indent">
         Order deny,allow<br />
         Allow from all<br /><br />

         AuthBasicProvider ldap-other-alias  ldap-alias1<br /><br />

         AuthType Basic<br />
         AuthName LDAP_Protected_Place<br />
         AuthzLDAPAuthoritative off<br />
         require valid-user<br />
      </span>
      &lt;/Directory&gt;<br />
    </code></p></div>
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<div class="directive-section"><h2><a name="AuthnProviderAlias" id="AuthnProviderAlias">&lt;AuthnProviderAlias&gt;</a> <a name="authnprovideralias" id="authnprovideralias">指令</a></h2>
<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="directive">
<tr><th><a href="directive-dict.html#Description">说明</a></th><td>封装一组定义扩展认证支持者的指令，并为其指定一个别名</td></tr>
<tr><th><a href="directive-dict.html#Syntax">语法</a></th><td><code>&lt;AuthnProviderAlias <var>baseProvider Alias</var>&gt; ... &lt;/AuthnProviderAlias&gt;</code></td></tr>
<tr><th><a href="directive-dict.html#Context">作用域</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">状态</a></th><td>扩展(E)</td></tr>
<tr><th><a href="directive-dict.html#Module">模块</a></th><td>mod_authn_alias</td></tr>
</table>
    <p><code class="directive">&lt;AuthnProviderAlias&gt;</code>和<code>&lt;/AuthnProviderAlias&gt;</code>用来封装一组定义扩展认证支持者的指令，并为其指定一个别名，这个别名可以被<code class="directive"><a href="mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code>或<code class="directive"><a href="mod_auth_digest.html#authdigestprovider">AuthDigestProvider</a></code>引用。</p>


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